<template>
  <div class="login" :style="'background-image:url('+ Background +');'">
    <el-form ref="loginForm" :style="'background-image:url('+ loginBack +');'" :model="loginForm" :rules="loginRules" label-position="left" label-width="0px" class="login-form">
      <div>
        <svg-icon class="login-logo" :icon-class="'logo-blue'" class-name="disabled"></svg-icon>
        <el-popover placement="left" trigger="hover" content="微信扫码登录！">
          <svg-icon slot="reference" class="login-weChat" icon-class="login-weChat" class-name="disabled"></svg-icon>
        </el-popover>
      </div>
      <div class="form-body">
        <div class="title">
          欢迎登录
        </div>
        <el-tabs v-model="activeName" @tab-click="handleClick">
          <el-tab-pane label="密码登录" name="pas"></el-tab-pane>
          <el-tab-pane label="验证码登录" name="code"></el-tab-pane>
        </el-tabs>
        <!-- <el-radio-group v-model="activeName">
          <el-radio-button label="密码登录"></el-radio-button>
          <el-radio-button label="验证码登录"></el-radio-button>
        </el-radio-group> -->
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="账号">
            <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon"></svg-icon>
          </el-input>
        </el-form-item>
        <el-form-item v-if="activeName === 'pas'" prop="password">
          <el-input v-model="loginForm.password" type="password" auto-complete="off" placeholder="密码" @keyup.enter.native="handleLogin">
            <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon"></svg-icon>
          </el-input>
        </el-form-item>
        <el-form-item v-else prop="code">
          <el-input v-model="loginForm.code" auto-complete="off" placeholder="验证码" style="width: 63%" @keyup.enter.native="handleLogin">
            <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon"></svg-icon>
          </el-input>
        </el-form-item>
        <!-- <el-form-item prop="code">
        <el-input v-model="loginForm.code" auto-complete="off" placeholder="验证码" style="width: 63%" @keyup.enter.native="handleLogin">
          <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon"></svg-icon>
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" />
        </div>
      </el-form-item> -->
        <el-checkbox v-model="loginForm.rememberMe" style="margin:0 0 25px 0;">
          记住我
        </el-checkbox>
        <el-form-item style="width:100%;text-align: center;">
          <el-button :loading="loading" size="medium" type="primary" @click.native.prevent="handleLogin">
            <span v-if="!loading">登 录</span>
            <span v-else>登 录 中...</span>
          </el-button>
        </el-form-item>
      </div>
    </el-form>
    <!--  底部  -->
    <div v-if="$store.state.settings.showFooter" id="el-login-footer">
      <span v-html="$store.state.settings.footerTxt"></span>
      <span> ⋅ </span>
      <!-- 设置备案跳转地址 -->
      <a href="#" target="_blank">{{ $store.state.settings.caseNumber }}</a>
    </div>
  </div>
</template>

<script>
// import { encrypt } from '@/utils/rsaEncrypt';
import Config from '@/settings';
// import { getCodeImg } from '@/api/login';
import Cookies from 'js-cookie';
import Background from '@/assets/images/background.png';
import loginBack from '@/assets/images/loginBackground.svg';
import { Base64 } from 'js-base64';
export default {
  name: 'Login',
  data() {
    return {
      activeName: 'pas',
      Background: Background,
      loginBack: loginBack,
      codeUrl: '',
      cookiePass: '',
      loginForm: {
        username: '',
        password: '',
        rememberMe: false,
        code: '',
        uuid: ''
      },
      loginRules: {
        username: [
          { required: true, trigger: 'blur', message: '用户名不能为空' }
        ],
        password: [
          { required: true, trigger: 'blur', message: '密码不能为空' }
        ],
        code: [
          { required: true, trigger: 'change', message: '验证码不能为空' }
        ]
      },
      loading: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    // 获取验证码
    // this.getCode();
    // 获取用户名密码等Cookie
    this.getCookie();
    // token 过期提示
    this.point();
    console.warn(this, '登录数据显示');
  },
  methods: {
    // getCode() {
    //  隐藏注册码信息
    //   getCodeImg().then(res => {
    //     this.codeUrl = res.img;
    //     this.loginForm.uuid = res.uuid;
    //   });
    // },
    handleClick(val) {
      console.warn(val);
    },
    getCookie() {
      const username = Cookies.get('username');
      let password = Cookies.get('password');
      const rememberMe = Cookies.get('rememberMe');
      // 保存cookie里面的加密后的密码
      this.cookiePass = password === undefined ? '' : password;
      password = password === undefined ? this.loginForm.password : password;
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password,
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
        code: ''
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        const user = {
          username: this.loginForm.username,
          password: this.loginForm.password,
          rememberMe: this.loginForm.rememberMe,
          code: this.loginForm.code,
          uuid: this.loginForm.uuid
        };
        if (user.password !== this.cookiePass) {
          //  增加密码跟用户名的base64 加密
          console.warn('加密后的用户名：', Base64.encode(user.username));
          console.warn('加密后的密码：', Base64.encode(user.password));
          user.username = Base64.encode(user.username);
          user.password = Base64.encode(user.password);
        }
        if (valid) {
          this.loading = true;
          if (user.rememberMe) {
            Cookies.set('username', user.username, {
              expires: Config.passCookieExpires
            });
            Cookies.set('password', user.password, {
              expires: Config.passCookieExpires
            });
            Cookies.set('rememberMe', user.rememberMe, {
              expires: Config.passCookieExpires
            });
          } else {
            Cookies.remove('username');
            Cookies.remove('password');
            Cookies.remove('rememberMe');
          }
          this.$store
            .dispatch('Login', user)
            .then(() => {
              this.loading = false;
              this.$router.push({ path: this.redirect || '/' });
            })
            .catch(() => {
              this.loading = false;
              // this.getCode();
            });
        } else {
          console.log('error submit!!');
          return false;
        }
      });
    },
    point() {
      const point = Cookies.get('point') !== undefined;
      if (point) {
        this.$notify({
          title: '提示',
          message: '当前登录状态已过期，请重新登录！',
          type: 'warning',
          duration: 5000
        });
        Cookies.remove('point');
      }
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-size: cover;
}
// .title {
//   margin: 0 auto 30px auto;
//   text-align: center;
//   color: #707070;
// }

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 720px;
  height: 620px;
  padding: 22px 25px 5px 22px;
  position: relative;
  .el-tabs {
    .el-tabs__nav {
      .el-tabs__active-bar {
        display: none;
      }
      .el-tabs__item {
        font-size: 18px;
        margin-left: 40px;
      }
    }
  }
  .login-logo {
    width: 103px;
    height: 65px;
  }
  .login-weChat {
    height: 70px;
    position: absolute;
    right: 12px;
    width: 70px;
    top: 12px;
  }
  .form-body {
    width: 316px;
    margin: auto;
    // padding-top: 50px;
    .title {
      // width: 192px;
      height: 64px;
      font-size: 48px;
      font-family: Microsoft YaHei;
      font-weight: bold;
      line-height: 64px;
      color: #307ec3;
      opacity: 1;
      text-align: center;
      margin-bottom: 50px;
    }

    .el-input {
      // height: 38px;
      input {
        width: 316px;
        height: 44px;
        background: #d8e4f6;
        opacity: 1;
        border-radius: 24px;
        font-size: 14px;
        font-family: Source Han Sans CN;
        font-weight: 400;
        line-height: 24px;
        color: #508fcc;
      }
    }
    .input-icon {
      height: 39px;
      width: 14px;
      margin-left: 2px;
    }
    .el-button {
      width: 200px;
      height: 44px;
      background: linear-gradient(270deg, #89addb 0%, #106fcd 100%);
      opacity: 1;
      border-radius: 24px;
    }
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  display: inline-block;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
</style>
